Electronics

amperes amplifier anode circuit anode current anode potential atoms average caesium capacitance cathode dark space cell centimetre characteristic charge collisions component condenser constant control-grid cuprous oxide curve deflection density detector diode discharge tube effect electric field electromotive force electron-volts emission emitted equal equation falls feed-back filament frequency given glow grid potential high-tension increases input ionisation kinetic energy klystron layer load resistance magnetic magnitude mean free path mercury vapour metal modulation molecules mutual conductance negative noise number of electrons oscillation output voltage oxide peak pentode Phys plane plasma positive column positive ions potential difference potential distribution potential gradient pressure probe R₁ R₂ ratio reactance rectifier resistor resonator screen shown in figure shows signal amplitude signal voltage space-charge space-current striking surface tank circuit temperature theory thermionic third grid thyratron triode tungsten V₁ valve velocity volts wave-form wavelength work-function zero